InChI=1S/C23H20O11/c24-9-4-14-16(15(5-9)33-23-19(27)17(25)18(26)21(34-23)22(28)29)11-7-31-13-6-12-8(1-2-30-12)3-10(13)20(11)32-14/h1-6,11,17-21,23-27H,7H2,(H,28,29)